Bb
 
 
 
 
 
 
 
 
 
 
 
 ●
 
 
 ●
 
 
 
 ●
 
 
 
 
 
Bb m
 
 
 
 
 
 
 
 
 
 
 
 ●
 
 
 
 ●
 
 
 ●
 
 
 
 
 
Bb 7
 
 
 
 
 
 
 
 
 ●
 
 
 ●
 
 
 ●
 
 
 
 ●
 
 
 
 
 
Bb M7
 
 
 
 
 
 
 
 ●
 
 
 
 ●
 
 
 ●
 
 
 
 ●
 
 
 
 
 
Bb m7
 
 
 
 
 
 
 
 
 ●
 
 
 ●
 
 
 
 ●
 
 
 ●
 
 
 
 
 
BbmM7
 
 
 
 
 
 
 
 ●
 
 
 
 ●
 
 
 
 ●
 
 
 ●
 
 
 
 
 
Bbsus4
 
 
 
 
 
 
 
 
 
 
 
 ●
 
 ●
 
 
 
 
 ●
 
 
 
 
 
Bbdim
 
 
 
 
 
 
 
 
 
 ●
 
 
 ●
 
 
 ●
 
 
 ●
 
 
 
 
 
Bbaug
 
 
 
 
 
 
 
 
 
 
 ●
 
 
 
 ●
 
 
 
 ●
 
 
 
 
 
Bbadd9
 
 
 
 
 
 
 
 
 
 
 
 ●
 
 
 ●
 
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